battery: 1) we use 24v/10Ah li-ion battery and provide insurance all over world. 　 　 2)this battery is moveable and can be attached to any bike easy with quick release. motor: 1)brushless geared motor.small and light. 　 　 2)available from 180w to 350W. 　 　 　 3)fixed on front/rear wheel,we will provide you a front fork also to match with the width of notor. charger: 1)available range from 110V - 220V. 　 　 　 2)CE,CSA,PSE certificate were available. 　 accessories: battery,motor,front fork,controller,charger,rear carrier,brake lever,throttle,power indicator etc. advantages: This is our new design which based on our KIT01.There are some improvements:???? 　 a) Fix the motor on front wheel and provide a special front fork to match with the motor. 　?? needn't do any change to the frame. 　 　 b)The battery is more powerful,it was 24V/10Ah li-ion battery can provide long distance riding. 　 c)We fix the battery under rear carrier with quick release.As you know all bikes must have 　?? seat post which means the battery can attached to all bikes. 　 　 d)A new controller cage was made to load the controller and wires. 　 　 e)Use all plugs connection ,you just need to contect it with plugs according to our manual. 　 f)The motor power from 180W to 350W,with good climbing ability.